Задайте вопросы к следующим предложениям (общий, специальный, альтернативный и разделительный):
1. They are writing a test now.
2. He usually goes to the college oh foot.
3. A lot of tourist visited this museum yesterday. 

1. Are they writing a test now?
What are they doing now? / Who are writing a test now?
Are they writing a test or an essay now?
They are writing a test now, aren't they? / They aren't writing an essay now, are they?

2. Does he usually go to the college on foot?
Where does he usually go on foot?
Does he usually go to the college on foot or by bus?
He usually goes to the college on foot, doesn't he? / He doesn't usually go to the college by bus, does he?

3. Did many tourists visit this museum yesterday?
What did many tourists visit yesterday? / Who visited this museum yesterday?
Did many tourists visit this museum or that exhibition yesterday?
A lot of tourists visited this museum yesterday, didn't they? / A lot of tourists didn't visit the theatre yesterday, did they?